From patchwork Wed Aug 4 07:18:56 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mauro Carvalho Chehab X-Patchwork-Id: 12417971 X-Patchwork-Delegate: lorenzo.pieralisi@arm.com Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F4187C04FE3 for ; Wed, 4 Aug 2021 07:19:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DEA7060F58 for ; Wed, 4 Aug 2021 07:19:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235740AbhHDHTb (ORCPT ); Wed, 4 Aug 2021 03:19:31 -0400 Received: from mail.kernel.org ([198.145.29.99]:56816 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235785AbhHDHTO (ORCPT ); Wed, 4 Aug 2021 03:19:14 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id C10F861002; Wed, 4 Aug 2021 07:19:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1628061542; bh=LrrFZSakdUxKwsRUW/i3f6iMngeHtZ/JieQmAqMg4aI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qCjBZRdYLZEHka1m01nCSdR0U7Pt27e17B312bW/x2gWXDnF215PRnwkRnTsr13K4 JRxi0t+RNFyLfqG3aEd/U0LBu7ss2VDjCjuZmX+s1Zjj6s2DxXljtMzPy+unLiN1+L PErIkHCjYkemt18lPiYBM9yTpL2MwzF1JMRUwHFuu7ClRoemHMokVoTDu6if/Wqdzg Qp2yXlb/S5Ey6rMQEvgYZOviysc33pCQvNDBFCSjdK4STxI49oUR1Wq9SWcyDMGu40 IUu0vIJkWOFl3/1qU/BavBrkV5jpYonpIyXXocC9f3BuNHkX8A1FORrJcZXBAoGqBA nVXT1vMLD9Lkw== Received: by mail.kernel.org with local (Exim 4.94.2) (envelope-from ) id 1mBBB5-000BlL-8M; Wed, 04 Aug 2021 09:18:59 +0200 From: Mauro Carvalho Chehab To: Rob Herring Cc: linuxarm@huawei.com, mauro.chehab@huawei.com, Mauro Carvalho Chehab , Binghui Wang , Bjorn Helgaas , Xiaowei Song , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org Subject: [PATCH v4 3/4] dt-bindings: PCI: kirin: Add support for Kirin970 Date: Wed, 4 Aug 2021 09:18:56 +0200 Message-Id: <875a4571e253040d3885ee1f37467b0bade7361b.1628061310.git.mchehab+huawei@kernel.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: References: MIME-Version: 1.0 Sender: Mauro Carvalho Chehab Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Add a new compatible, plus the new bindings needed by HiKey970 board. Signed-off-by: Mauro Carvalho Chehab --- .../bindings/pci/hisilicon,kirin-pcie.yaml | 76 ++++++++++++++++++- 1 file changed, 75 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.yaml b/Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.yaml index 90cab09e8d4b..c0551d2e606d 100644 --- a/Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.yaml @@ -24,11 +24,12 @@ properties: contains: enum: - hisilicon,kirin960-pcie + - hisilicon,kirin970-pcie reg: description: | Should contain dbi, apb, config registers location and length. - For HiKey960, it should also contain phy. + For hisilicon,kirin960-pcie, it should also contain phy. minItems: 3 maxItems: 4 @@ -36,6 +37,11 @@ properties: minItems: 3 maxItems: 4 + hisilicon,clken-gpios: + description: | + Clock input enablement GPIOs from PCI devices like Ethernet, M.2 and + mini-PCIe slots. + required: - compatible - reg @@ -47,6 +53,7 @@ examples: - | #include #include + #include soc { #address-cells = <2>; @@ -83,4 +90,71 @@ examples: clock-names = "pcie_phy_ref", "pcie_aux", "pcie_apb_phy", "pcie_apb_sys", "pcie_aclk"; }; + + pcie@f5000000 { + compatible = "hisilicon,kirin970-pcie"; + reg = <0x0 0xf4000000 0x0 0x1000000>, + <0x0 0xfc180000 0x0 0x1000>, + <0x0 0xf5000000 0x0 0x2000>; + reg-names = "dbi", "apb", "config"; + bus-range = <0x0 0x1>; + msi-parent = <&its_pcie>; + #address-cells = <3>; + #size-cells = <2>; + device_type = "pci"; + phys = <&pcie_phy>; + ranges = <0x02000000 0x0 0x00000000 + 0x0 0xf6000000 + 0x0 0x02000000>; + num-lanes = <1>; + #interrupt-cells = <1>; + interrupts = ; + interrupt-names = "msi"; + interrupt-map-mask = <0 0 0 7>; + interrupt-map = <0x0 0 0 1 &gic GIC_SPI 282 IRQ_TYPE_LEVEL_HIGH>, + <0x0 0 0 2 &gic GIC_SPI 283 IRQ_TYPE_LEVEL_HIGH>, + <0x0 0 0 3 &gic GIC_SPI 284 IRQ_TYPE_LEVEL_HIGH>, + <0x0 0 0 4 &gic GIC_SPI 285 IRQ_TYPE_LEVEL_HIGH>; + reset-gpios = <&gpio7 0 0>; + hisilicon,clken-gpios = <&gpio27 3 0>, <&gpio17 0 0>, <&gpio20 6 0>; + + pcie@0 { // Lane 0: PCIe switch: Bus 1, Device 0 + reg = <0 0 0 0 0>; + compatible = "pciclass,0604"; + device_type = "pci"; + #address-cells = <3>; + #size-cells = <2>; + ranges; + pcie@1,0 { // Lane 4: M.2 + reg = <0x800 0 0 0 0>; + compatible = "pciclass,0604"; + device_type = "pci"; + reset-gpios = <&gpio3 1 0>; + clkreq-gpios = <&gpio27 3 0 >; + #address-cells = <3>; + #size-cells = <2>; + ranges; + }; + pcie@5,0 { // Lane 5: Mini PCIe + reg = <0x2800 0 0 0 0>; + compatible = "pciclass,0604"; + device_type = "pci"; + reset-gpios = <&gpio27 4 0 >; + clkreq-gpios = <&gpio17 0 0 >; + #address-cells = <3>; + #size-cells = <2>; + ranges; + }; + pcie@7,0 { // Lane 6: Ethernet + reg = <0x3800 0 0 0 0>; + compatible = "pciclass,0604"; + device_type = "pci"; + reset-gpios = <&gpio25 2 0 >; + clkreq-gpios = <&gpio20 6 0 >; + #address-cells = <3>; + #size-cells = <2>; + ranges; + }; + }; + }; };